Abstract

디스플레이 장치에서 기존의 CRT는 곡면이며 무겁고 큰 부피 때문에 LCD, PDP와 같은 평판디스플레이(FPD)로 대체되고 있다. FPD는 <TEX>$0.6{\sim}0.8mm$</TEX> 두께의 대면적 글래스에 여러 공정을 거친 후에 최종 제품 규격으로 절단하여 제작하기 때문에 글래스의 면적이 크면 클수록 FPD의 생산성이 높다는 밀접한 관계를 갖는다. 따라서 FPD 제조 업계에서는 글래스 면적을 증가시키기 위하여 노력하고 있다. 7세대 글라스(<TEX>$2,220mm\;{\times}\;1,870mm\;{\times}\;0.7mm$</TEX>)를 대상으로 유한요소해석 및 유동해석을 통하여 이송장치, 배급장치, 수평/경사 변환장치 및 제어장치로 구성된 비접촉 공기부상 이송시스템을 개발하였다. 본 개발에서 확보한 설계기술을 통하여 글라스의 크기가 대형화 되더라도 관련 이송장비를 보다 쉽게 제작하여 적용할 수 있다. The CRT(Cathode Ray Tube) displays have been substituted for FPDs(Flat Panel Displays) such as LCD(Liquid Crystal Display) and PDP(Plasma Display Panel) because they have a convex surface, large volume and heavy weight. The productivity of FPDs is greatly dependent on the area of thin glass panel with <TEX>$0.6{\sim}0.8mm$</TEX> thickness because FPDs are manufactured by cutting a large-scaled thin glass panel with patterns to the required product dimensions. So FPD's industries are trying to increase the area of thin glass Panel. Through FEM(Finite Element Method) analysis and fluid analysis, we developed an non-contact and air-floating conveyor system which consists of transport-module, distributor, horizontal/vertical changer and controller for the 7th generation glass panel (2,200mm in width, 1,870mm in length and 0.7mm in thickness). The design technology developed in this study can be effectively applied to a conveyor system for a larger-scaled thin glass panel.

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